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Questions tagged [cad]

Computer-Aided Design is the use of computers in the engineering design process. It involves drafting, modelling, simulation, optimisation, and creation of technical documentation. The term CAD is often used to denote software for computer-aided design.

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Converting Creo files to STP on linux

I need to send out some PRT files for tooling that have been made using Creo. I do not have a windows PC or mac available at the moment, only linux. Does anyone have some advice how to go from here?
Frido Emans
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Different results for every cloud compare aligning module

I have tried cloudcompare and the aligning ICP module like this: and give transformation matrix lie this: For one STL file twice and get different result for under 0.1 value in max distance like show at below pictures: first one : Second aligning…
Soheil Paper
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Wireframe parts in Siemens NX

This is probably a fairly basic question for seasoned Siemens NX users, but I can't find a solution anywhere. I have a large assembly and I would like to set certain components to wire frame view, while still viewing other parts as solid bodies. I…
Diesel
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Method to extract closed curve from 3D CAD into CSV or TXT

I have engineering data emerging from more or less complex constructions. On a regular base I need outlines from construction data to perform geometric calculations on them. The construction data comes from different CAD packages (e.g. Inventor or…
Ariser
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Creating an extrude in creo parametric 5

I’m trying to create the following extrude. I have created a crankshaft based on the following sketch: I then removed material as follows, which is placed on the rear surface of the shaft. The material is removed successfully, however my final…
Dan Khan
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Cube vertex/corner blending/fillet algorithm

I created fillets/blending for a cube corner in 3 cases. For the first case, the 3 radius are equal. The blending surface is a sphere patch. For the second case, two radius are smaller than the third. The blending surface is a torus patch. But for…
xuzhongxing
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Free alternative to openinig solidwork defualt files in linux( *.sldprt & *.sldasm)?

I migrated to Linux and don't want to use solidworks , so i need one software which could opening my already solidworks file like *.sldprt and *.sldasm . So i have installed FREECAD but it could not opening those files. Another question i have is…
el-ss
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The underlying library FreeCAD uses to manipulate STEP file format and format conversion

I am looking for answers to the following questions concerning FreeCAD from someone who is familiar with implementation of FreeCAD : Which library FreeCAD uses to parse STEP file format? Which library FreeCAD uses to convert file of STEP format to…
John Z. Li
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CAD - Using code to edit a CAD file

I have a CAD file in SketchUp that I would like to edit using code (ie: its dimensions, properties, etc.) What is the best way to do this? If I export the file as an STL, is there a program where I can edit the STL using code? Thanks.
Stephane Hatgis-Kessell
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How to convert *.3OXZ CAD files to *.STL?

We are using one dental scanner (Vitality Scanner) and the output format is in 3doxz Format,So we need to change it to stl for some analyzing on it, So i need to find out any software for this CAD format Converting. For example one of it's 3DOXZ…
Soheil Paper
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How to Create a parabola in a CAD drawing?

How to Create a parabola in a CAD drawing? How to create a parabola in a CAD drawing for extrusion etc? Need a .STEP file ultimately. OpenScad would be optimal. I tried this in fusion 360:…
Dale
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CAD: How to model complicated smooth shapes?

I'm somewhat new to CAD and don't exactly know what terms to look for. So far every model I've seen or made is essentially built from straight lines and circle segments or other "primitive" shapes. What I want to know is, what the approach for…
EVARATE
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A better way to copy, rotate and mirror parts

Oh good gosh I hated this process. Not because it this was a hard drawing to sketch, but because I did not know some very simple commands/processes like I do for AutoCAD. For the following drawing I came up with a weaving pattern for the 1 mm dia.…
Forward Ed
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Freecad arc direction constraint

I've got the following sketch: (A vertical line of 3mm, 5mm from the center of the sketch, with an arc running from end to end.) FreeCAD indicates that this sketch is fully constrained. However, removing the horizontal 5mm constraint, dragging the…
Daniël van den Berg
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What is the convention for the origin coordinates of a CAD drawing?

Is there a convention to use (0, 0, 0) as the center of a CAD drawing? If so, why? Wouldn't it be easier to use (0, 0, 0) as the bottom left corner and start drawing on the positive coordinates?
Federico
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